body {
  background-color: #f5f5f5;
}

ul,
li {
  margin: 0;
  padding: 0;
  list-style: none;
}

a {
  color: #666;
  text-decoration: none;
}

a:hover {
  text-decoration: none;
}

header {
  background-color: #fff;
}

#header {
  padding-left: 0px;
}



.logo {
  width: 100%;
  background-color: #429ad9;
}



.logo img {
  width: 100%;
}


.logo span {
  display: block;
  height: 50px;
  line-height: 50px;
  color: #fff;
  font-size: 18px;
  text-align: center;
}

header ul {
  background-color: #eee;
}

header ul li {
  line-height: 50px;
  height: 50px;
  padding-left: 30px;
}

header ul li a {
  font-size: 16px;
  color: #666;
}

header ul li:hover {
  background-color: #fff;
}

header ul li a:hover {
  color: #333;
}





.news {
  width: 100%;
}

.news li {
  float: left;
  width: 25%;
  padding-right: 10px;
  margin-bottom: 10px;
}

.news li:first-child {
  width: 50%;
}

.news li img {
  width: 100%;
  height: 128px;
}

.news li:first-child img {
  height: 266px;
}

.news a {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
}

.news a p {
  position: absolute;
  left: 0;
  bottom: 0;
  margin: 0;
  background-color: rgba(0, 0, 0, 0.3);
  color: #fff;
  padding: 0 10px;
  font-size: 12px;
}

.news li:first-child p {
  font-size: 20px;
  width: 100%;
}

.atic .title p:first-child {
  font-size: 20px;
}

.atic .title p:last-child {
  font-size: 12px;
}

.atic img {
  width: 100%;
}

.atic .items {
  padding: 20px 0;
  border-bottom: 1px solid #666;
}

.atic .items:nth-of-type(1) {
  border-top: 1px solid #666;
}

aside img {
  width: 100%;
}

aside .info {
  border: 1px solid #666;
  margin-top: 20px;
  padding: 0px 10px 20px;
}

aside .hot {
  position: relative;
  left: 20px;
  border-radius: 0;
}

@media screen and (min-width: 1280px) {
  .w {
    width: 1280px;
    margin: 0 auto;
    background-color: #fff;
  }
}

/* 在 小于992px 的屏幕中 的样式 */
@media screen and (max-width:991px) {
  .logo img {
    display: block;
    width: 200px;
    margin: 0 auto;
  }

  header ul {
    display: flex;
    justify-content: space-evenly
  }

  header ul li {
    font-size: 14px;
    padding: 0;
    margin: 0 auto;
  }
}

/* 为小于768px 显示文字信息 设计样式*/
@media screen and (max-width:767px) {
  .news li:first-child {
    width: 100%;
  }

  .news li:nth-child(n+2) {
    width: 50%;
  }
}